Here is a concise summary of the provided text:
**Scene:** First day of class with new homeroom teacher, Jimbo Mao (written in katakana).
**Key Events:**
1. **Unconventional Introduction**: Teacher introduces himself with a peculiar name explanation.
2. **Unusual Class Rules**:
* Students must send a daily "good morning email" with a smiling photo and daily goals.
* Send a "good night email" to confirm bedtime.
* Set the teacher's smiling photo as wallpaper each day.
3. **Additional Demands**:
* Host the teacher for a sleepover (once a month, at a student's home chosen by lottery).
* Serve the teacher tea and recommended sweets during visits (with a twist: never serve the same sweets again).
4. **Daily Singing Requirement**: Students must sing "Kaientai's 'Words of Presentation'" (5-minute song, one student at a time, potentially taking up to 3 hours).
5. **Extreme Consequences for Non-Compliance**: Reflection letters with high character counts and short deadlines (e.g., 8,000 characters within 20 minutes).
6. **Closing**: The teacher ends the class with an awkward group activity, declaring his love for the students and expecting a reciprocal response.
**Overall:** The new teacher's unorthodox methods and demands leave the students bewildered, amused, and intimidated.
Here are the key facts extracted from the text, each with a number and in short sentences:
1. **New Homeroom Teacher**: A new homeroom teacher, Jimbo Mao (also known as Fukutoku), is introduced.
2. **Teacher's Name**: Jimbo Mao's name is written in katakana, which is unusual for a person's name.
3. **Family Background**: Jimbo Mao is the middle child of five brothers.
4. **Class Theme**: The theme of the class is "smiles".
5. **Daily Email Rules**:
* Students must send a "good morning email" with a smiling photo to the teacher every day.
* Students must send a "good night email" to confirm their bedtime.
6. **Email Content**: "Good morning emails" must include a daily goal and a smiling photo.
7. **Response from Teacher**: The teacher will respond with a different smiling photo each time.
8. **Wallpaper Rule**: Students must set the teacher's smiling photo as their wallpaper each day.
9. **Sleepover Plan**: The teacher plans to have a sleepover with the class once a month at a randomly selected student's home.
10. **Home Visits**: The teacher will visit each student's home every two weeks.
11. **Teacher's Preference**: The teacher cannot drink coffee and prefers tea.
12. **Serving Sweets Rule**: If a student's family serves sweets during a home visit, they cannot serve the same sweets again.
13. **Reflection Letters**:
* Initial letter: 20 sheets, 400 characters, within 20 minutes (8,000 characters).
* Additional letter (for Akiyama-san): 100 sheets, 400 characters, within 5 minutes (40,000 characters).
14. **Singing Activity**: Students will sing "Kaientai's Words of Presentation" daily, with each student singing individually (approximately 3 hours for 30 students).
15. **Extracurricular Activities**: Students with conflicting activities after school may need to quit them to accommodate the singing activity.
16. **Final Greetings**: The class will end with a circular hand-holding formation and a declaration of affection ("I love you").